Hey all, here is the info I've gathered about different oil filters that fit our car:


(from left to right: Purolator 14612, 14610, 14459)


Purolator PL14612 : (stock fitment for 1993-1995 RX-7, 2004+ RX-8, Subaru 2004+ WRX 2.5L STi )
Height: 2.93"
O.D.: 2.69"
Anti-Drain Back Valve: Yes
Relief Valve P.S.I.: 14-18
Threads: M20-1.5

Volume (calculated): 16.7 sq. in.




Purolator PL14459 : (stock fitment for 1986-1991 RX-7, Honda S2000, Honda Civic )
Height: 2.95
O.D.: 3.15
Anti-Drain Back Valve: Yes
Relief Valve P.S.I.: 12-15
Threads: M20x1.5


Purolator PL14610 : (stock fitment for Mazda MX-6, 626, Infiniti G35, Nissan 350Z, Acura 3.5 RL...)
Height: 3.52
O.D.: 2.69
Anti-Drain Back Valve: Yes
Relief Valve P.S.I.: 14-18
Threads: M20-1.5

Volume (calculated): 20.0 sq. in.


Based on the above, I'd avoid the PL14459 (91 RX-7) filter, since it has a lower relief valve pressure rating. Both the stock fitment and the 14610 seem to be used in other high-performance cars. The 14612 has a 16% greater volume than the stock filter, so there should be a better safety margin there.


Has anyone used different filters besides the Purolator PureOne? I've also heard good things about Mobil1 and K&N, but haven't tried them myself.

-s-

 

i have yet to read through all of it but here is some data

http://minimopar.knizefamily.net/oilfilters.html

 

I use K&N HP-1004

HP-1004 Product Specifications
Product Style: Oil Filters
Height: 3.48 in (88 mm)
Outside Diameter: 3.12 in (79 mm)
PSI Relief Valve: 11-14
Anti Drain Back Valve: Yes
Weight: 0.6 lb (0.3 kg)

 

I've been using the Bosch Premium filters. They look (and I swear they are) identical to the Mobil 1 for $5 less. Check them out for yourself.

Dave